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2004 Taurus Gross Air Leak

Tiny
GATEDAD61
  • MEMBER
  • 2004 FORD FIVE HUNDRED
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 140,000 MILES
2004 Taurus gets a P0455 code with Check Engine light. Periodially also get a gas cap light. I have replaced gas cap twice and checked filler neck for leaks. Any ideas on where the "ECS Gross Leak" could be?
Monday, June 6th, 2011 AT 4:59 PM

1 Reply

Tiny
CARADIODOC
  • MECHANIC
  • 33,916 POSTS
Could be anywhere along the frame up to the front and back to the gas tank. If you don't find a hose clamp rusted off the hose to the charcoal canister, the best tool to use is a smoke machine to inject white smoke at 2 psi and watch where it seeps out.
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Monday, June 6th, 2011 AT 5:49 PM

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